Jim’s Auto Body

AC Repair & Services

Being hot isn’t “COOL”.  If your AC is running hot, we can help keeping you cool inside your vehicle.

Let us take care of your cars AC.

Automotive air conditioning (AC) repair involves diagnosing and fixing problems with the AC system in a vehicle. This system is responsible for cooling the air inside the car and maintaining a comfortable temperature for passengers. Here’s an overview of the process involved in automotive AC repair:

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Automotive AC repair is a specialized task that often requires professional equipment and expertise. If you suspect an issue with your vehicle’s AC system, it’s best to bring it in to our highly qualified technician who can diagnose and repair the problem efficiently, ensuring your vehicle remains comfortable in hot weather.

1. Onboard Diagnostics System (OBD)

Visual Inspection:

Check for Leaks: Inspect hoses, connections, and components for refrigerant leaks.

  • Check for Leaks: Inspect hoses, connections, and components for refrigerant leaks.
  • Compressor and Belts: Ensure the compressor is engaging and the belts are in good condition.
  • Cooling Fans: Verify that cooling fans are functioning properly.

Diagnostic Tools:

  • Pressure Gauges: Measure the pressure in the high and low sides of the AC system.
  • Thermometer: Measure the temperature of the air coming from the vents.
  • Electronic Leak Detectors: Identify the presence and location of refrigerant leaks.

2. Common AC Problems and Solutions

Refrigerant Leaks:

  • Problem: Low refrigerant levels due to leaks.
  • Solution: Locate and repair the leak, then recharge the system with the appropriate type and amount of refrigerant.

Faulty Compressor:

  • Problem: Compressor failure or malfunction.
  • Solution: Replace the compressor and ensure the system is free of contaminants.

Electrical Issues:

  • Problem: Malfunctioning switches, sensors, or wiring.
  • Solution: Diagnose and repair or replace faulty electrical components.

Clogged or Faulty Expansion Valve:

  • Problem: Expansion valve not regulating refrigerant flow properly.
  • Solution: Replace the expansion valve.

Contaminated System:

  • Problem: Debris or moisture in the AC system.
  • Solution: Flush the system, replace the receiver/dryer or accumulator, and recharge with fresh refrigerant.

3. AC System Recharge

  • Vacuum the System: Remove any air and moisture from the system using a vacuum pump.
  • Recharge Refrigerant: Add the specified amount of refrigerant to the system.
  • Add Oil: Ensure the system has the correct amount of compressor oil.

4. Component Replacement

If a specific component is found to be faulty, it may need to be replaced. Common components that might need replacement include:

  • Compressor
  • Condenser
  • Evaporator
  • Receiver/Dryer or Accumulator
  • Expansion Valve or Orifice Tube

5. Post-Repair Testing

After repairs and recharging the system, conduct the following tests:

  • Performance Test: Measure the temperature of the air coming from the vents to ensure it is cooling properly.
  • Leak Test: Verify there are no leaks in the system using electronic leak detectors or UV dye.
  • Pressure Test: Ensure the high and low-pressure sides of the system are within the manufacturer’s specified ranges.

6. Preventive Maintenance

To keep the AC system in good working order, regular maintenance is recommended:

  • Run the AC Regularly: Even in winter, running the AC occasionally helps keep the system lubricated.
  • Inspect and Replace Cabin Air Filters: Ensure clean airflow and reduce strain on the system.
  • Regular Inspections: Periodically have the AC system inspected by a professional to catch issues early.